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Simplifying 2u + 2u + 42 = 6 Reorder the terms: 42 + 2u + 2u = 6 Combine like terms: 2u + 2u = 4u 42 + 4u = 6 Solving 42 + 4u = 6 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '-42' to each side of the equation. 42 + -42 + 4u = 6 + -42 Combine like terms: 42 + -42 = 0 0 + 4u = 6 + -42 4u = 6 + -42 Combine like terms: 6 + -42 = -36 4u = -36 Divide each side by '4'. u = -9 Simplifying u = -9
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